File: kpagewidgetmodel_p.h

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/*  This file is part of the KDE project
    Copyright (C) 2007 Matthias Kretz <kretz@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.

*/

#ifndef KPAGEWIDGETMODEL_P_H
#define KPAGEWIDGETMODEL_P_H

#include "kpagemodel_p.h"
#include "kpagewidgetmodel.h"

class PageItem
{
public:
    explicit PageItem(KPageWidgetItem *pageItem, PageItem *parent = 0);
    ~PageItem();

    void appendChild(PageItem *child);
    void insertChild(int row, PageItem *child);
    void removeChild(int row);

    PageItem *child(int row);
    int childCount() const;
    int columnCount() const;
    int row() const;
    PageItem *parent();

    KPageWidgetItem *pageWidgetItem() const;

    PageItem *findChild(const KPageWidgetItem *item);

    void dump(int indent = 0);

private:
    KPageWidgetItem *mPageWidgetItem;

    QList<PageItem *> mChildItems;
    PageItem *mParentItem;
};

class KPageWidgetModelPrivate : public KPageModelPrivate
{
    Q_DECLARE_PUBLIC(KPageWidgetModel)
protected:
    KPageWidgetModelPrivate()
        : rootItem(new PageItem(0, 0))
    {
    }

    ~KPageWidgetModelPrivate()
    {
        delete rootItem;
        rootItem = 0;
    }

    PageItem *rootItem;

    void _k_itemChanged()
    {
        Q_Q(KPageWidgetModel);
        KPageWidgetItem *item = qobject_cast<KPageWidgetItem *>(q->sender());
        if (!item) {
            return;
        }

        const QModelIndex index = q->index(item);
        if (!index.isValid()) {
            return;
        }

        emit q->dataChanged(index, index);
    }

    void _k_itemToggled(bool checked)
    {
        Q_Q(KPageWidgetModel);
        KPageWidgetItem *item = qobject_cast<KPageWidgetItem *>(q->sender());
        if (!item) {
            return;
        }

        emit q->toggled(item, checked);
    }
};

#endif // KPAGEWIDGETMODEL_P_H